#include "../Eigen/Sparse"

using namespace Eigen;

void
call_ref(Ref<SparseMatrix<float>> a)
{
}

int
main()
{
	SparseMatrix<float> A(10, 10);
#ifdef EIGEN_SHOULD_FAIL_TO_BUILD
	call_ref(A.transpose());
#else
	call_ref(A);
#endif
}
